Dennis Stock discusses his friendship with James Dean, and their collaboration that resulted in the famous photo essay. (11:59)

Carlos Cazalis documents the disparity between the rich and poor in Brazil's megacity Sao Paulo. (8:05)

David Snider's parents were born blind, and he became a photographer. Growing up in a unique household taught David about the issues that blind people face every day, and when he learned to express himself, he used the language of photography. (12:22)

In her self-portrait project, Falling Into Place, photographer Patricia Lay-Dorsey shows an intimate view of her day-to-day life with a disability. (4:20)

Renée C. Byer won the 2007 Pulitzer Prize for Feature Photography for her documentary about Derek Madsen, a cancer patient, and his mother Cyndie French, as she tried to comfort him during the last year of his life. (9:35)

Steve McCurry's first App for the iPad, PORTRAITS, presents a collection of amazing faces from around the globe, along with his insights into photography. (3:54)

Carlos Cazalis documented the aftermath of the catastrophic Haitian earthquake with photography and poetry, creating a powerful composition in images and ideas. (22:09)

Ken Hackman photographed nuclear bomb tests for the U.S. military in the Pacific in the 1960s. (2:45)

Michael Cunningham spent years photographing three portrait projects: Crowns Queens and Jewels. Crowns focuses on the robust styles of hat fashion amongst black Christian women. Queens takes a look at the infinite variety of black women's hair styles. Jewels captures the faces of significant black women who have contributed to American culture and society. (4:52)

David Doubilet has spent more time with marine life than most people, and his images reflect his commitment and passion. (6:40)

Rebecca D'Angelo photographed sustainable communities where residents desired to live closer to nature, and "off the grid." (4:17)

John Thomas's direction in life was changed by his basketball coach's support and encouragement. Photos by Carol Guzy of The Washington Post. (4:28)

Chan Chao traveled back to his native country to photograph the community of refugees and political exiles that live on Burma’s borders. (3:47)

Eli Reed documented the Sudanese "Lost Boys" and the tough living conditions in the refugee camps, and traveled back the United States with several of them, who were relocated for a chance at a better life. (4:16)

Carlos Cazalis traveled the entire border of the United States and Mexico, where two nations live uneasily with each other. (12:26)

Bridget Caswell's story of Sarah Bullington, a blind girl whose joy for living is echoed by her teachers and family. (5:25)